CN106475449B - The spinning apparatus and rotary press modelling method of cylindric material - Google Patents
The spinning apparatus and rotary press modelling method of cylindric material Download PDFInfo
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- CN106475449B CN106475449B CN201610561877.7A CN201610561877A CN106475449B CN 106475449 B CN106475449 B CN 106475449B CN 201610561877 A CN201610561877 A CN 201610561877A CN 106475449 B CN106475449 B CN 106475449B
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- mandrel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
- B21D22/16—Spinning over shaping mandrels or formers
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- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
Even if the present invention provides and a kind of has larger tension force effect in the spinning apparatus and rotary press modelling method of the cylindric material that the protrusion edge in the axial direction of cylindric material, being formed in cylindric material will not deform and fall off from tension imparting mechanism.The spinning apparatus has：Tension imparting mechanism (4) assigns tension via the protrusion edge (11) for the open end for being formed in cylindric material (1) to the axial of cylindric material (1)；And supporting device (5), in the protrusion edge (11) of its nip cylinders shape material (1) between the tension imparting mechanism (4), and, in the state of by protrusion edge (11) of tension imparting mechanism (4) and supporting device (5) nip cylinders shape material (1), diameter reducing extrusion processing is carried out while assigning tension to the axial direction of cylindric material (1).
Description
This application claims the priority based on Japanese patent application the 2015-170074th filed in August in 2015 31 days.
The entire content of this Japanese application is incorporated by reference in this manual.
Technical field
The present invention relates to a kind of spinning apparatus and rotary press modelling method of cylindric material.
Background technology
In the past, it in order to manufacture the roller of printer or duplicator or the liner etc. of toner cartridge, vacuum flask, is widely used based on spinning
The rotary press modelling method (for example, referenced patent document 1) of device.
As shown in figure 3, the rotary press modelling method based on the spinning apparatus is by the way that metal cylindric material 10 to be set with
In in mandrel 20, and make tension imparting mechanism 40 via the protrusion edge 11 for the open end for being formed in cylindric material 10 to circle
The axial of cylindrical material 10 assigns tension, and idler wheel 30 is made to press cylindric material 10 from peripheral side and carry out diameter reducing extrusion and add
Work, to realize the elongation of cylindric material 10 and be thinning.
Then, using the fixture (illustration omitted) of such as fork shape via the open end for being formed in cylindric material 10
Prominent edge 11 or the protrusion edge 12 for being formed in closing end (a part of closed end) make to implement diameter reducing extrusion processing
The front end side (being right side in Fig. 3) of cylindric material 10 afterwards towards mandrel 20 is mobile, to make to implement diameter reducing extrusion processing
Cylindric material 10 afterwards is demoulded from mandrel 20.
Patent document 1：Japanese Unexamined Patent Publication 2009-6359 bulletins
In this way, in the rotary press modelling method of the spinning apparatus based on cylindric material, cylindric material 10 is being realized
When extending and being thinning, in order to avoid generating fold, need through tension imparting mechanism 40 and via being formed in cylindric material
The protrusion edge 11 of 10 open end assigns tension to the axial of cylindric material 10, therefore usually in cylindric material 10
Open end forms flange shape protrusion edge 11, and by can be pressed along the tension imparting mechanism 40 of the axial movement of mandrel
Press the protrusion edge 11 to move it, to assign tension to the axial of cylindric material 10.
However, according to the cylindric material for carrying out rotary press modelling, it is sometimes desirable to increase and be assigned to the axial direction of cylindric material 10
The tension given, and have larger tension force effect when in axial direction deforms there are flange shape protrusion edge 11 and from tension
The problem of imparting mechanism 40 falls off.
And, it is desirable that implement front end sidesway of the cylindric material 10 after diameter reducing extrusion is processed towards mandrel 20 for making
The dynamic fixture to the fork shape for making cylindric material 10 be demoulded from mandrel 20 is acted in a manner of not interfered with idler wheel 30,
The problem of increasing accordingly, there exist turnaround time.
Invention content
The present invention is problem possessed by spinning apparatus and rotary press modelling method in view of above-mentioned previous cylindric material
And make, even if the 1st be designed to provide it is a kind of having larger tension force effect in the axial direction of cylindric material, be formed in
The protrusion edge of cylindric material will not deform and the spinning apparatus to fall off from tension imparting mechanism and rotary press modelling side
Method.
Also, the 2nd of the present invention is designed to provide one kind and can be smoothed out by making to implement diameter reducing extrusion processing
Cylindric material afterwards moves the cylindric material after making to implement diameter reducing extrusion to be processed from the heart towards the front end side of mandrel
Axis demoulding work, and more particularly to shorten turnaround time cylindric material spinning apparatus and rotary press modelling side
Method.
In order to realize above-mentioned 1st purpose, the present invention provides a kind of spinning apparatus of cylindric material, by by made of metal
Cylindric material sleeve in the mandrel, and to the axial imparting tension of cylindrical shape material while make idler wheel from peripheral side by
It presses cylindric material and carries out diameter reducing extrusion processing, to realize the elongation of cylindric material and be thinning, the spinning apparatus
It is characterized in that having：Tension imparting mechanism, via the protrusion edge for the open end for being formed in cylindric material to cylinder
The axial of shape material assigns tension；And supporting device, in the protrusion of its nip cylinders shape material between the tension imparting mechanism
Edge, in the state of by the protrusion edge of tension imparting mechanism and supporting device nip cylinders shape material, to cylindric material
Diameter reducing extrusion processing is carried out while the axial imparting tension of material.
At this point, in order to realize that above-mentioned 2nd purpose, the spinning apparatus of cylindric material of the invention are implementing diameter reducing extrusion
After processing, the supporting device can be made to carry the protrusion edge of the cylindric material after implementing diameter reducing extrusion processing
State towards mandrel front end side move, to make cylindric material from mandrel demould.
Also, the tension imparting mechanism and supporting device can be arranged to the contact site of cylindric material
It is rotated together with mandrel and can be along the axial movement of mandrel.
Also, the present invention provides a kind of rotary press modelling method of the spinning apparatus based on cylindric material, pass through by
Metal cylindrical shape material sleeve is in the mandrel, and to the axial imparting tension of cylindrical shape material while makes idler wheel from outer
Side presses cylindric material and carries out diameter reducing extrusion processing, to realize the elongation of cylindric material and be thinning, the rotation
Transfer moulding method is characterized in that, the shape in the protrusion edge by tension imparting mechanism and supporting device nip cylinders shape material
Under state, diameter reducing extrusion processing is carried out while assigning tension to the axial direction of cylindric material, wherein the tension imparting mechanism warp
The protrusion edge of open end from being formed in cylindric material assigns tension to the axial of cylindric material, and in the branch
Hold the protrusion edge of nip cylinders shape material between mechanism and the tension imparting mechanism.
At this point, implement diameter reducing extrusion processing after, the supporting device can be made with carry implement tube reducing squeeze
The state of the protrusion edge of cylindric material after pressure processing is moved towards the front end side of mandrel, to make cylindric material from the heart
Axis demoulds.
Also, the tension imparting mechanism and supporting device with the contact site of cylindric material can be arranged to
Mandrel rotates together with and can be along the axial movement of mandrel, and after implementing diameter reducing extrusion processing, tension is made to assign machine
Structure is moved towards the front end side of mandrel, and at the same time supporting device is to carry the cylindric material after implementing diameter reducing extrusion processing
The state of the protrusion edge of material is moved towards the front end side of mandrel.
Also, the slave idler wheel position of readiness of the idler wheel is towards the movement of diameter reducing extrusion Working position and from diameter reducing extrusion
The movement of Working position towards idler wheel position of readiness can move synchronous progress with tension imparting mechanism along mandrel axial direction.
The spinning apparatus and rotary press modelling method of cylindrical shape material according to the present invention, have：Tension imparting mechanism,
Via the protrusion edge for the open end for being formed in cylindric material tension is assigned to the axial of cylindric material；And bearing machine
Structure, in the protrusion edge of its nip cylinders shape material between the tension imparting mechanism, also, by tension imparting mechanism and
In the state of the protrusion edge of supporting device nip cylinders shape material, carried out while assigning tension to the axial direction of cylindric material
Diameter reducing extrusion process, so as to improve cylindric material protrusion edge retentivity.It is not necessarily to take to cylindric material as a result,
The protrusion edge of material carries out special processing or reduction tension and carries out the bypassing methods such as diameter reducing extrusion processing, even if in larger
In the case that power acts in the axial direction of cylindric material, the protrusion edge hair for being formed in cylindric material can be also avoided the occurrence of
The shape that changes and the case where fall off from tension imparting mechanism, so as to improve the working efficiency of rotary press modelling.
Also, carry the protrusion of the cylindric material after implementing diameter reducing extrusion processing by making the supporting device
The state of edge is moved towards the front end side of mandrel, to make cylindric material be demoulded from mandrel.Moreover, the tension assigns machine
Structure and supporting device be arranged to rotate together with mandrel with the contact site of cylindric material and can be along the axis of mandrel
To movement, and after implementing diameter reducing extrusion processing, tension imparting mechanism is made to be moved towards the front end side of mandrel, it is same with this
When supporting device with carry the cylindric material after implementing diameter reducing extrusion processing protrusion edge state towards mandrel
Front end side is moved, moreover, making the slave idler wheel position of readiness of the idler wheel towards the movement of diameter reducing extrusion Working position and from subtracting
The movement that diameter extrusion process is positioned against idler wheel position of readiness moves synchronous progress with tension imparting mechanism along mandrel axial direction, by
This, can be smoothed out by make to implement the cylindric material after diameter reducing extrusion processing towards mandrel front end side movement to
Make to implement the work that the cylindric material after diameter reducing extrusion is processed is demoulded from mandrel, and especially can shorten duty cycle
Time can further increase the working efficiency of rotary press modelling.
Description of the drawings
Fig. 1 (a) and Fig. 1 (b) is the rotary press modelling method for the spinning apparatus for indicating the cylindric material based on the present invention
The specification figure of an example.
Fig. 1 (c) and Fig. 1 (d) is the rotary press modelling method for the spinning apparatus for indicating the cylindric material based on the present invention
The specification figure of an example.
Fig. 2 (a) and Fig. 2 (b) is the definition graph of the spinning apparatus of the cylindric material of the present invention, wherein Fig. 2 (a) is whole
The definition graph of body, Fig. 2 (b) are the definition graphs of major part.
Fig. 3 is the definition graph for the rotary press modelling method for indicating the spinning apparatus based on previous cylindric material.
In figure：1- cylindrical shape materials, 11- protrude edge, 2- mandrels, 3- idler wheels, 4- tension imparting mechanisms, 41- cylindrical shapes
Component, 41a- Inner peripheral portions, 42- bars, 43- bearings, 5- supporting devices, 51- cylinder-like parts, the ends 51a-, 52- moving machines
Structure, 6- rotationally support platform, 7- tailstocks.
Specific implementation mode
Hereinafter, with reference to the accompanying drawings to the present invention cylindric material spinning apparatus and rotary press modelling method embodiment into
Row explanation.
The rotary press modelling method of the spinning apparatus of the cylindric material based on the present invention is shown in Fig. 1 (a) to Fig. 2 (b)
An example.
The spinning apparatus of the cylindrical shape material is by the way that metal cylindric material 1 to be sleeved in mandrel 2, and to cylinder
Idler wheel 3 is set to press cylindric material 1 from peripheral side and carry out diameter reducing extrusion processing while the axial imparting tension of shape material 1,
To realize the elongation of cylindric material 1 and be thinning, spinning apparatus has：Tension imparting mechanism 4, via being formed in cylinder
The protrusion edge 11 of the open end of shape material 1 assigns tension to the axial of cylindric material 1；And supporting device 5, in itself and this
The protrusion edge 11 of nip cylinders shape material 1 between tension imparting mechanism 4 is passing through tension imparting mechanism 4 and the folder of supporting device 5
Tube reducing is carried out in the state of holding the protrusion edge 11 of cylindric material 1, while assigning tension to the axial direction of cylindric material 1 to squeeze
Pressure processing.
At this point, cylindric material 1, which can use, is suitable for each by iron, stainless steel, aluminium, aluminium alloy, copper, magnesium etc. of final products
Cylindric material made of kind metal.
The shape of cylindric material 1 is simultaneously not particularly limited, as long as be formed with can be by the open end of cylindric material 1
The protrusion edge 11 that tension imparting mechanism 4 and supporting device 5 are clamped can use, such as sheet corresponding with final products
What end as embodiment was closed to be supported by the front end of mandrel 2 when being set in mandrel 2 has bottom shape
In addition cylindric material can also use a part for end as previous example as shown in Figure 3 to be closed be set with
By cylindric material that the front end of mandrel 2 supports and the cylindrical shape of prominent edge 12 can be also formed with when in mandrel 2
Material etc..
Here, protruding the shape of edge 11 and being not particularly limited, but it is preferably set to be easy processing and forming and is easy by tension
The flange shape that imparting mechanism 4 and supporting device 5 are clamped.
Mandrel 2, which is installed on, rotationally supports platform 6, and mandrel 2 can be to be equipped with the shape of cylindric material 1 in mandrel 2
State is rotated.
In addition, in the present embodiment, the rotation that rotary shaft is longitudinal axis formula is used for the platform 6 that rotationally supports that mandrel 2 is installed
Supporting table, but as shown in the previous example of Fig. 3, horizontal shaft type can also be used.
Idler wheel 3 is used to press the cylindrical shape material from the peripheral side for the cylindric material 1 for being installed on mandrel 2 to be subtracted
Diameter extrusion process, in the present embodiment, multiple idler wheels 3 (more specifically three idler wheels 3) clip mandrel 2 and are configured at symmetrical
Position.
Tension imparting mechanism 4 is used for the protrusion edge 11 via the open end for being formed in cylindric material 1 to cylindrical shape
The axial of material 1 assigns tension.In the present embodiment, tension imparting mechanism 4 is made of cylinder-like part 41, the cylinder-like part
41 are installed on platform 6 is rotationally supported opposed and can be close or be separated relative to platform 6 is rotationally supported via bar 42 and bearing 43
On tailstock 7.By make the cylinder-like part 41 the prominent of cylindric material 1 is connected to inner circumferential side Inner peripheral portions 41a outstanding
Go out edge 11 (lower surface of Inner peripheral portions 41a in the present embodiment, is made to be connected to the upper surface of prominent edge 11), it can be via
Prominent edge 11 assigns tension to the axial of cylindric material 1.
As a result, due to the contact site (i.e. cylinder-like part 41) of tension imparting mechanism 4 contacted with cylindric material 1 via
Bar 42 and bearing 43 are installed on tailstock 7, thus cylinder-like part 41 is driven in mandrel 2 and rotates together with, and can be along mandrel 2
Axial movement.
Bar 42 is configured to, and four (according to the number of idler wheel 3 and configuration, can also be set as three) bars 42 are configured at just when vertical view
Rectangular vertex position, thereby, it is possible to make idler wheel 3 be positioned by the gap between bar 42, so as to implement with idler wheel 3 from
The diameter reducing extrusion processing of peripheral side pressing cylindrical shape material 1.
It is closed using a part for the end as the previous example of Fig. 3 to be set in the heart in cylindric material 1
Can the central part of the front end face of mandrel 2 (can be made by the cylindric material that the front end of mandrel 2 supports in the state of on axis 2
Exposed material) when, mandrel axle center supporting device can be set on the tailstock 7 installed for tension imparting mechanism 4 and (save sketch map
Show), to make mandrel 2 be rotated in the state of double base.
In addition, being closed on being set in mandrel 2 using end as in this embodiment in cylindric material 1
When the cylindric material for having bottom shape that can be supported by the front end of mandrel 2 under state, it is not provided with mandrel axle center supporting device, is made
Mandrel 2 is rotated under cantilever position.
Protrusion edge of the supporting device 5 for the nip cylinders shape material 1 between supporting device 5 and tension imparting mechanism 4
11.In the present embodiment, supporting device 5 is rotationally supported the cylindrical portion material 51 of platform 6 and is constituted by being installed on via mobile mechanism 52.
(in the present embodiment, make end by the protrusion edge 11 for making the end 51a of the cylinder-like part 51 be connected to cylindric material 1
The upper surface of portion 51a is connected to the lower surface of prominent edge 11), cylinder-like part 51 can be via prominent edge 11 in the axial direction
Supporting cylinder shape material 1.
As a result, since the contact site (cylinder-like part 51) of supporting device 5 contacted with cylindric material 1 is via moving machine
Structure 52, which is installed on, rotationally supports platform 6, thus cylinder-like part 51 is driven in mandrel 2 and rotates together with, and can be along mandrel 2
Axial movement.
Here, the mobile mechanism 52 of supporting device 5 can use actuators or the spring mechanisms such as hydraulic cylinder, also, tailstock 7
Driving mechanism (illustration omitted) actuators such as hydraulic cylinder can be used.
Also, as in this embodiment, supporting device 5 can be installed on via mobile mechanism 52 and rotationally support platform 6.Separately
Outside, supporting device 5 can also be set as the clamp structure that can be moved relative to tension imparting mechanism 4, and is installed on and is opened
4 side of power imparting mechanism.
Moreover, carry the protrusion edge 11 of the cylindric material 1 after implementing diameter reducing extrusion processing in supporting device 5
Under state, by mobile mechanism 52 make supporting device 5 towards mandrel 2 front end side move, so as to make cylindric material 1 from
Mandrel 2 demoulds.
In rotationally supporting of being installed for supporting device 5, ejecting mechanism (illustration omitted), the ejector can also be set on platform 6
Structure presses the closing (part closing) of the cylindric material 1 after implementing diameter reducing extrusion processing across the inside of mandrel 2
End.
Then, the action of the spinning apparatus of the cylindrical shape material is illustrated.
First, as shown in Fig. 1 (a), cylindric material 1 is sleeved in mandrel 2.
Then, as shown in Fig. 1 (b), make tailstock 7 close to platform 6 is rotationally supported, to utilize the cylinder of tension imparting mechanism 4
The end 51a of the Inner peripheral portions 41a of shape component 41 and the cylinder-like part 51 of supporting device 5 carrys out the prominent of nip cylinders shape material 1
Go out edge 11.
Then, make tailstock 7 further towards rotationally supporting platform 6 (by the pressing force of the driving mechanism of tailstock 7 in this state
It is set as the pressing force of the mobile mechanism 52 more than supporting device 5), to make tension imparting mechanism 4 via being formed in cylindric material
The protrusion edge 11 of the open end of material 1 assigns tension (at this point, the cylinder of tension imparting mechanism 4 to the axial direction of cylindric material 1
The end 51a of the Inner peripheral portions 41a of shape component 41 and the cylinder-like part 51 of supporting device 5 is with the prominent of nip cylinders shape material 1
The state for going out edge 11 is moved to close to the direction for rotationally supporting platform 6), and idler wheel 3 is made to press cylindric material 1 from peripheral side
To carry out diameter reducing extrusion processing, hereby it is achieved that the elongation of cylindric material 1 and being thinning.
Thereby, it is possible to improve the retentivity of the protrusion edge 11 of cylindric material 1, and without taking to cylindric material
1 protrusion edge 11 carries out the tension of the main reason for special processing or reduction generation fold and carries out diameter reducing extrusion processing isotactic
Method is kept away, is formed in even if can be avoided the occurrence of if larger tension force effect is in the case of in the axial direction of cylindric material 1
The protrusion edge 11 of cylindric material 1 deforms and falls off the case where leading to not be processed from tension imparting mechanism 4, from
And the working efficiency of rotary press modelling can be improved.
Then, after diameter reducing extrusion process finishing, as shown in Fig. 1 (d), make tailstock 7 is separate to rotationally support platform 6, to
Keep tension imparting mechanism 4 mobile towards the front end side of mandrel 2 so that it is detached from from mandrel 2, and is supported really in supporting device 5
In the state of the protrusion edge 11 for having applied the cylindric material 1 after diameter reducing extrusion processing, supporting device 5 is made by mobile mechanism 52
It is moved towards the front end side of mandrel 2, to make cylindric material 1 be demoulded from mandrel 2.
At this point it is possible to while making tension imparting mechanism be moved towards the front end side of mandrel, make supporting device 5 to support
The state for the protrusion edge 11 of the cylindric material 1 after implementing diameter reducing extrusion processing is moved towards the front end side of mandrel 2.
Above-mentioned action can be by eliminating the pressing force of the driving mechanism based on tailstock 7 to make based on supporting device 5
The pressing force of mobile mechanism 52 becomes larger and realizes.
Thereby, it is possible to be smoothed out by making to implement the cylindric material 1 after diameter reducing extrusion processing towards before mandrel 2
Work of the end side movement to make to implement the cylindric material 1 after diameter reducing extrusion processing to be demoulded from mandrel 2, also, especially
Made using the pressing force of the mobile mechanism 52 based on supporting device 5 by eliminating the pressing force of the driving mechanism based on tailstock 7
Cylindric material 1 is demoulded from mandrel 2 automatically, thus, it is possible to shorten turnaround time, can improve the work effect of rotary press modelling
Rate.
Also, by make idler wheel 3 from idler wheel position of readiness (not with tension imparting mechanism 4 generate interference outer fix) to
Diameter reducing extrusion Working position moves, and idler wheel 3 is made to be positioned by the gap between the bar 42 of tension imparting mechanism 4, so as to
Pressed from peripheral side with idler wheel 3 the diameter reducing extrusion processing of cylindric material 1, but action and the tension of idler wheel 3 can be made
Imparting mechanism 4 moves synchronous progress along 2 axial direction of mandrel, specifically, idler wheel 3 can be made to be squeezed from idler wheel position of readiness to tube reducing
Press the movement of Working position and the movement from diameter reducing extrusion Working position way roller position of readiness and tension imparting mechanism 4 along mandrel
2 axial mobile synchronous progress.
It, can so as to shorten turnaround time thereby, it is possible to make idler wheel 3 not interfere with each other with tension imparting mechanism 4
Improve the working efficiency of rotary press modelling.
More than, the spinning apparatus and rotary press modelling method of the cylindric material of the present invention are said according to embodiment
It is bright, but the present invention is not limited to structures described in the above embodiment, it can be suitably in range without departing from the spirit
Its structure is changed.
The present invention cylindric material spinning apparatus and rotary press modelling method in, even if larger tension force effect in
In the case of in the axial direction of cylindric material, being formed in the protrusion edge of cylindric material will not deform and be assigned from tension
Explosive separation is given, further, it is possible to be smoothed out by making to implement the cylindric material after diameter reducing extrusion is processed towards mandrel
Work of the front end side movement to make to implement the cylindric material after diameter reducing extrusion processing to be demoulded from mandrel, also, especially
With the characteristic that can shorten turnaround time, therefore, it is possible to the spinning apparatus and rotary press modelling suitable for cylindric material
The purposes of method.
Claims (7)
1. a kind of spinning apparatus of cylindrical shape material, by by metal cylindric material from the front end in the axial direction of mandrel
Side is sleeved in the mandrel, and idler wheel is made to press cylindric material from peripheral side and carry out diameter reducing extrusion processing, the spinning
Device is characterized in that having：
Tension imparting mechanism, via the open end for being formed in cylindric material axial direction from protrusion edge to cylindric material
Assign tension；And
Supporting device, in the protrusion edge of its nip cylinders shape material between the tension imparting mechanism,
Also, in the state of by the protrusion edge of tension imparting mechanism and supporting device nip cylinders shape material, make tension
Imparting mechanism and supporting device are opened towards the rear end side movement in the axial direction of the mandrel to which the rear end side in axial direction assigns
Diameter reducing extrusion processing is carried out while power.
2. the spinning apparatus of cylindrical shape material according to claim 1, which is characterized in that
After implementing diameter reducing extrusion processing, make the supporting device to carry the cylinder after implementing diameter reducing extrusion processing
The state of the protrusion edge of shape material is moved towards the front end side of mandrel, to make cylindric material be demoulded from mandrel.
3. the spinning apparatus of cylindrical shape material according to claim 1 or 2, which is characterized in that
The tension imparting mechanism and supporting device are arranged to revolve together with mandrel with the contact site of cylindric material
Turn and can be along the axial movement of mandrel.
4. a kind of rotary press modelling method of cylindrical shape material, by by metal cylindric material from the axial direction of mandrel
Front end side is sleeved in the mandrel, and idler wheel is made to press cylindric material from peripheral side and carry out diameter reducing extrusion processing, described
Rotary press modelling method is characterized in that,
In the state of by the protrusion edge of tension imparting mechanism and supporting device nip cylinders shape material, tension is made to assign machine
Structure and supporting device are towards the rear end side movement in the axial direction of the mandrel, to which the rear end side in axial direction assigns the same of tension
Shi Jinhang diameter reducing extrusions process, wherein the tension imparting mechanism via the open end for being formed in cylindric material protrusion
Edge assigns tension to the axial of cylindric material, and circle is clamped between the supporting device and the tension imparting mechanism
The protrusion edge of cylindrical material.
5. the rotary press modelling method of cylindrical shape material according to claim 4, which is characterized in that
After implementing diameter reducing extrusion processing, make the supporting device to carry the cylinder after implementing diameter reducing extrusion processing
The state of the protrusion edge of shape material is moved towards the front end side of mandrel, to make cylindric material be demoulded from mandrel.
6. the rotary press modelling method of cylindrical shape material according to claim 5, which is characterized in that
The tension imparting mechanism and supporting device are arranged to revolve together with mandrel with the contact site of cylindric material
Turn and can along the axial movement of mandrel, and implement diameter reducing extrusion processing after, make tension imparting mechanism towards mandrel
Front end side movement, at the same time supporting device with carry implement diameter reducing extrusion processing after cylindric material protrusion edge
The state in portion is moved towards the front end side of mandrel.
7. the rotary press modelling method of cylindrical shape material according to claim 6, which is characterized in that
The slave idler wheel position of readiness of the idler wheel is towards the movement of diameter reducing extrusion Working position and from diameter reducing extrusion Working position
Towards the movement of idler wheel position of readiness synchronous progress is moved along mandrel axial direction with tension imparting mechanism.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015170074A JP6583884B2 (en) | 2015-08-31 | 2015-08-31 | Cylindrical material spinning apparatus and spinning molding method |
| JP2015-170074 | 2015-08-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106475449A CN106475449A (en) | 2017-03-08 |
| CN106475449B true CN106475449B (en) | 2018-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610561877.7A Active CN106475449B (en) | 2015-08-31 | 2016-07-14 | The spinning apparatus and rotary press modelling method of cylindric material |
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| Country | Link |
|---|---|
| JP (1) | JP6583884B2 (en) |
| CN (1) | CN106475449B (en) |
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| JP7143596B2 (en) | 2017-03-13 | 2022-09-29 | 東ソー株式会社 | Nucleic acid extraction and amplification reagents |
| CN112496049B (en) * | 2020-10-30 | 2022-08-26 | 太原理工大学 | Corrugated roller transmission mechanism for rolling inner corrugated metal composite pipe |
| CN114603028B (en) * | 2022-03-09 | 2023-03-10 | 西北工业大学 | Stepped loading type follow-up constraint spinning forming method for cylindrical part with inner ribs |
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| WO2010073476A1 (en) * | 2008-12-23 | 2010-07-01 | 株式会社 ディムコ | Very thin-walled long metal tube, method of manufacturing very thin-walled long metal tube, and device using very thin-walled long metal tube as roll or belt |
| JP2010253537A (en) * | 2009-04-28 | 2010-11-11 | Nippon Spindle Mfg Co Ltd | Plastic working apparatus |
| CN103949520B (en) * | 2014-04-28 | 2016-07-13 | 张金利 | Rotate hydraulic press |
-
2015
- 2015-08-31 JP JP2015170074A patent/JP6583884B2/en active Active
-
2016
- 2016-07-14 CN CN201610561877.7A patent/CN106475449B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017047428A (en) | 2017-03-09 |
| CN106475449A (en) | 2017-03-08 |
| JP6583884B2 (en) | 2019-10-02 |
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